TY - BOOK ID - 134233218 TI - Controlling frost heaving of ponderosa pine seedlings in Arizona PY - 1976 PB - Fort Collins, Colo Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture DB - UniCat KW - Frost heaving KW - Ponderosa pine KW - Seedlings KW - Wounds and injuries KW - Arizona UR - https://www.unicat.be/uniCat?func=search&query=sysid:134233218 AB - ER -